<div class="ngContent">
  test-ng-content6
</div>
<div class="content">
  <ng-content></ng-content>
</div>
<div class="content blue">
  <ng-content select="header"></ng-content>
</div>
<div class="content red">
  <ng-content select=".demo2"></ng-content>
</div>
<div class="content green">
  <ng-content select="[name=demo3]"></ng-content>
</div>
